Profiling Report

Dataset statistics

Number of variables	15
Number of observations	63222
Missing cells	0
Missing cells (%)	0.0%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	7.2 MiB
Average record size in memory	120.0 B

Variable types

Numeric	11
Categorical	4

Alerts

`qrs_end` is highly overall correlated with `qrs_onset` and 1 other fields	High correlation
`qrs_onset` is highly overall correlated with `qrs_end` and 1 other fields	High correlation
`rr_interval` is highly overall correlated with `t_end`	High correlation
`t_end` is highly overall correlated with `qrs_end` and 2 other fields	High correlation
`bandwidth` is highly imbalanced (73.8%)	Imbalance
`filtering` is highly imbalanced (90.4%)	Imbalance
`p_onset` is highly skewed (γ1 = -138.0943931)	Skewed
`qrs_axis` has 1390 (2.2%) zeros	Zeros

Reproduction

Analysis started	2024-01-21 23:48:49.937476
Analysis finished	2024-01-21 23:49:23.700551
Duration	33.76 seconds
Software version	ydata-profiling vv4.6.3
Download configuration	config.json

anchor_age
Real number (ℝ)

Distinct	73
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	60.722233

Minimum	18
Maximum	91
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	494.0 KiB

Quantile statistics

Minimum	18
5-th percentile	32
Q1	51
median	61
Q3	72
95-th percentile	85
Maximum	91
Range	73
Interquartile range (IQR)	21

Descriptive statistics

Standard deviation	15.459239
Coefficient of variation (CV)	0.25458944
Kurtosis	-0.23792036
Mean	60.722233
Median Absolute Deviation (MAD)	10
Skewness	-0.32368637
Sum	3838981
Variance	238.98808
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
64	1836	2.9%
61	1779	2.8%
60	1735	2.7%
66	1696	2.7%
62	1685	2.7%
59	1647	2.6%
56	1547	2.4%
67	1524	2.4%
54	1511	2.4%
65	1511	2.4%
Other values (63)	46751	73.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
18	43	0.1%
19	99	0.2%
20	177	0.3%
21	174	0.3%
22	213	0.3%
23	237	0.4%
24	225	0.4%
25	250	0.4%
26	215	0.3%
27	275	0.4%

Value	Count	Frequency (%)
91	1094	1.7%
89	245	0.4%
88	421	0.7%
87	370	0.6%
86	654	1.0%
85	612	1.0%
84	687	1.1%
83	840	1.3%
82	831	1.3%
81	844	1.3%

bandwidth
Categorical

IMBALANCE

Distinct	3
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	494.0 KiB

0.005-150 Hz	58576
0.05-150 Hz	4125
0.0005-150 Hz	521

Length

Max length	13
Median length	12
Mean length	11.942995
Min length	11

Characters and Unicode

Total characters	755060
Distinct characters	8
Distinct categories	6 ?
Distinct scripts	2 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	0.005-150 Hz
2nd row	0.005-150 Hz
3rd row	0.005-150 Hz
4th row	0.005-150 Hz
5th row	0.005-150 Hz

Common Values

Value	Count	Frequency (%)
0.005-150 Hz	58576	92.7%
0.05-150 Hz	4125	6.5%
0.0005-150 Hz	521	0.8%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
hz	63222	50.0%
0.005-150	58576	46.3%
0.05-150	4125	3.3%
0.0005-150	521	0.4%

Most occurring characters

Value	Count	Frequency (%)
0	249284	33.0%
5	126444	16.7%
.	63222	8.4%
-	63222	8.4%
1	63222	8.4%
	63222	8.4%
H	63222	8.4%
z	63222	8.4%

Most occurring categories

Value	Count	Frequency (%)
Decimal Number	438950	58.1%
Other Punctuation	63222	8.4%
Dash Punctuation	63222	8.4%
Space Separator	63222	8.4%
Uppercase Letter	63222	8.4%
Lowercase Letter	63222	8.4%

Most frequent character per category

Decimal Number

Value	Count	Frequency (%)
0	249284	56.8%
5	126444	28.8%
1	63222	14.4%

Other Punctuation

Value	Count	Frequency (%)
.	63222	100.0%

Dash Punctuation

Value	Count	Frequency (%)
-	63222	100.0%

Space Separator

Value	Count	Frequency (%)
	63222	100.0%

Uppercase Letter

Value	Count	Frequency (%)
H	63222	100.0%

Lowercase Letter

Value	Count	Frequency (%)
z	63222	100.0%

Most occurring scripts

Value	Count	Frequency (%)
Common	628616	83.3%
Latin	126444	16.7%

Most frequent character per script

Common

Value	Count	Frequency (%)
0	249284	39.7%
5	126444	20.1%
.	63222	10.1%
-	63222	10.1%
1	63222	10.1%
	63222	10.1%

Latin

Value	Count	Frequency (%)
H	63222	50.0%
z	63222	50.0%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	755060	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
0	249284	33.0%
5	126444	16.7%
.	63222	8.4%
-	63222	8.4%
1	63222	8.4%
	63222	8.4%
H	63222	8.4%
z	63222	8.4%

filtering
Categorical

IMBALANCE

Distinct	3
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	494.0 KiB

60 Hz notch Baseline filter	61990
Baseline filter	1008
50 Hz notch Baseline filter	224

Length

Max length	27
Median length	27
Mean length	26.808674
Min length	15

Characters and Unicode

Total characters	1694898
Distinct characters	19
Distinct categories	4 ?
Distinct scripts	2 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	60 Hz notch Baseline filter
2nd row	60 Hz notch Baseline filter
3rd row	60 Hz notch Baseline filter
4th row	60 Hz notch Baseline filter
5th row	60 Hz notch Baseline filter

Common Values

Value	Count	Frequency (%)
60 Hz notch Baseline filter	61990	98.1%
Baseline filter	1008	1.6%
50 Hz notch Baseline filter	224	0.4%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
baseline	63222	20.2%
filter	63222	20.2%
hz	62214	19.9%
notch	62214	19.9%
60	61990	19.8%
50	224	0.1%

Most occurring characters

Value	Count	Frequency (%)
	249864	14.7%
e	189666	11.2%
i	126444	7.5%
l	126444	7.5%
n	125436	7.4%
t	125436	7.4%
f	63222	3.7%
a	63222	3.7%
r	63222	3.7%
s	63222	3.7%
Other values (9)	498720	29.4%

Most occurring categories

Value	Count	Frequency (%)
Lowercase Letter	1195170	70.5%
Space Separator	249864	14.7%
Uppercase Letter	125436	7.4%
Decimal Number	124428	7.3%

Most frequent character per category

Lowercase Letter

Value	Count	Frequency (%)
e	189666	15.9%
i	126444	10.6%
l	126444	10.6%
n	125436	10.5%
t	125436	10.5%
f	63222	5.3%
a	63222	5.3%
r	63222	5.3%
s	63222	5.3%
h	62214	5.2%
Other values (3)	186642	15.6%

Decimal Number

Value	Count	Frequency (%)
0	62214	50.0%
6	61990	49.8%
5	224	0.2%

Uppercase Letter

Value	Count	Frequency (%)
B	63222	50.4%
H	62214	49.6%

Space Separator

Value	Count	Frequency (%)
	249864	100.0%

Most occurring scripts

Value	Count	Frequency (%)
Latin	1320606	77.9%
Common	374292	22.1%

Most frequent character per script

Latin

Value	Count	Frequency (%)
e	189666	14.4%
i	126444	9.6%
l	126444	9.6%
n	125436	9.5%
t	125436	9.5%
f	63222	4.8%
a	63222	4.8%
r	63222	4.8%
s	63222	4.8%
B	63222	4.8%
Other values (5)	311070	23.6%

Common

Value	Count	Frequency (%)
	249864	66.8%
0	62214	16.6%
6	61990	16.6%
5	224	0.1%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	1694898	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
	249864	14.7%
e	189666	11.2%
i	126444	7.5%
l	126444	7.5%
n	125436	7.4%
t	125436	7.4%
f	63222	3.7%
a	63222	3.7%
r	63222	3.7%
s	63222	3.7%
Other values (9)	498720	29.4%

gender
Categorical

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	494.0 KiB

M	35661
F	27561

Length

Max length	1
Median length	1
Mean length	1
Min length	1

Characters and Unicode

Total characters	63222
Distinct characters	2
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	F
2nd row	F
3rd row	F
4th row	F
5th row	F

Common Values

Value	Count	Frequency (%)
M	35661	56.4%
F	27561	43.6%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
m	35661	56.4%
f	27561	43.6%

Most occurring characters

Value	Count	Frequency (%)
M	35661	56.4%
F	27561	43.6%

Most occurring categories

Value	Count	Frequency (%)
Uppercase Letter	63222	100.0%

Most frequent character per category

Uppercase Letter

Value	Count	Frequency (%)
M	35661	56.4%
F	27561	43.6%

Most occurring scripts

Value	Count	Frequency (%)
Latin	63222	100.0%

Most frequent character per script

Latin

Value	Count	Frequency (%)
M	35661	56.4%
F	27561	43.6%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	63222	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
M	35661	56.4%
F	27561	43.6%

p_axis
Real number (ℝ)

Distinct	338
Distinct (%)	0.5%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	47.569485

Minimum	-179
Maximum	180
Zeros	291
Zeros (%)	0.5%
Negative	2733
Negative (%)	4.3%
Memory size	494.0 KiB

Quantile statistics

Minimum	-179
5-th percentile	1
Q1	36
median	53
Q3	64
95-th percentile	77
Maximum	180
Range	359
Interquartile range (IQR)	28

Descriptive statistics

Standard deviation	25.915806
Coefficient of variation (CV)	0.54479897
Kurtosis	7.4773633
Mean	47.569485
Median Absolute Deviation (MAD)	13
Skewness	-1.6810751
Sum	3007438
Variance	671.62902
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
56	1659	2.6%
60	1642	2.6%
63	1593	2.5%
57	1561	2.5%
61	1541	2.4%
66	1490	2.4%
58	1476	2.3%
59	1473	2.3%
62	1396	2.2%
67	1299	2.1%
Other values (328)	48092	76.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-179	2	< 0.1%
-178	2	< 0.1%
-177	2	< 0.1%
-176	1	< 0.1%
-175	2	< 0.1%
-172	1	< 0.1%
-171	1	< 0.1%
-169	1	< 0.1%
-167	1	< 0.1%
-165	1	< 0.1%

Value	Count	Frequency (%)
180	3	< 0.1%
179	2	< 0.1%
177	4	< 0.1%
176	2	< 0.1%
173	1	< 0.1%
172	2	< 0.1%
171	1	< 0.1%
170	1	< 0.1%
169	1	< 0.1%
168	1	< 0.1%

p_end
Real number (ℝ)

Distinct	87
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	148.63655

Minimum	48
Maximum	228
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	494.0 KiB

Quantile statistics

Minimum	48
5-th percentile	118
Q1	140
median	150
Q3	160
95-th percentile	174
Maximum	228
Range	180
Interquartile range (IQR)	20

Descriptive statistics

Standard deviation	17.059174
Coefficient of variation (CV)	0.11477106
Kurtosis	1.1325095
Mean	148.63655
Median Absolute Deviation (MAD)	10
Skewness	-0.59955363
Sum	9397100
Variance	291.01543
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
150	3408	5.4%
152	3394	5.4%
154	3392	5.4%
156	3338	5.3%
148	3174	5.0%
146	3157	5.0%
158	3056	4.8%
144	2800	4.4%
160	2740	4.3%
162	2540	4.0%
Other values (77)	32223	51.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
48	18	< 0.1%
50	7	< 0.1%
54	6	< 0.1%
56	4	< 0.1%
58	7	< 0.1%
60	5	< 0.1%
62	3	< 0.1%
64	1	< 0.1%
66	8	< 0.1%
68	5	< 0.1%

Value	Count	Frequency (%)
228	1	< 0.1%
224	1	< 0.1%
220	1	< 0.1%
218	1	< 0.1%
216	3	< 0.1%
212	1	< 0.1%
210	1	< 0.1%
208	1	< 0.1%
206	1	< 0.1%
204	1	< 0.1%

p_onset
Real number (ℝ)

SKEWED

Distinct	7
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	39.998197

Minimum	8
Maximum	40
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	494.0 KiB

Quantile statistics

Minimum	8
5-th percentile	40
Q1	40
median	40
Q3	40
95-th percentile	40
Maximum	40
Range	32
Interquartile range (IQR)	0

Descriptive statistics

Standard deviation	0.20231785
Coefficient of variation (CV)	0.0050581743
Kurtosis	20670.266
Mean	39.998197
Median Absolute Deviation (MAD)	0
Skewness	-138.09439
Sum	2528766
Variance	0.040932514
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=7)

Value	Count	Frequency (%)
40	63214	> 99.9%
8	2	< 0.1%
34	2	< 0.1%
28	1	< 0.1%
32	1	< 0.1%
24	1	< 0.1%
38	1	< 0.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
8	2	< 0.1%
24	1	< 0.1%
28	1	< 0.1%
32	1	< 0.1%
34	2	< 0.1%
38	1	< 0.1%
40	63214	> 99.9%

Value	Count	Frequency (%)
40	63214	> 99.9%
38	1	< 0.1%
34	2	< 0.1%
32	1	< 0.1%
28	1	< 0.1%
24	1	< 0.1%
8	2	< 0.1%

qrs_axis
Real number (ℝ)

ZEROS

Distinct	254
Distinct (%)	0.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	25.028882

Minimum	-178
Maximum	177
Zeros	1390
Zeros (%)	2.2%
Negative	13357
Negative (%)	21.1%
Memory size	494.0 KiB

Quantile statistics

Minimum	-178
5-th percentile	-16
Q1	2
median	23
Q3	48
95-th percentile	73
Maximum	177
Range	355
Interquartile range (IQR)	46

Descriptive statistics

Standard deviation	29.307739
Coefficient of variation (CV)	1.1709568
Kurtosis	0.0025912243
Mean	25.028882
Median Absolute Deviation (MAD)	23
Skewness	0.030720164
Sum	1582376
Variance	858.94357
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	1390	2.2%
13	1374	2.2%
3	1331	2.1%
-3	1251	2.0%
18	1188	1.9%
21	1105	1.7%
24	948	1.5%
-13	929	1.5%
26	915	1.4%
45	824	1.3%
Other values (244)	51967	82.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-178	1	< 0.1%
-177	1	< 0.1%
-176	1	< 0.1%
-162	3	< 0.1%
-159	2	< 0.1%
-129	1	< 0.1%
-123	2	< 0.1%
-117	1	< 0.1%
-116	1	< 0.1%
-114	3	< 0.1%

Value	Count	Frequency (%)
177	1	< 0.1%
175	1	< 0.1%
173	1	< 0.1%
171	1	< 0.1%
168	2	< 0.1%
167	1	< 0.1%
165	2	< 0.1%
160	1	< 0.1%
159	1	< 0.1%
158	1	< 0.1%

qrs_end
Real number (ℝ)

HIGH CORRELATION

Distinct	176
Distinct (%)	0.3%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	296.442

Minimum	160
Maximum	544
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	494.0 KiB

Quantile statistics

Minimum	160
5-th percentile	246
Q1	270
median	290
Q3	314
95-th percentile	370
Maximum	544
Range	384
Interquartile range (IQR)	44

Descriptive statistics

Standard deviation	38.012425
Coefficient of variation (CV)	0.12822888
Kurtosis	2.0614825
Mean	296.442
Median Absolute Deviation (MAD)	22
Skewness	1.1363528
Sum	18741656
Variance	1444.9444
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
284	1715	2.7%
276	1689	2.7%
282	1685	2.7%
278	1671	2.6%
290	1616	2.6%
274	1610	2.5%
286	1593	2.5%
280	1587	2.5%
288	1581	2.5%
294	1527	2.4%
Other values (166)	46948	74.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
160	1	< 0.1%
162	1	< 0.1%
164	1	< 0.1%
182	1	< 0.1%
184	1	< 0.1%
188	2	< 0.1%
192	1	< 0.1%
196	3	< 0.1%
200	1	< 0.1%
202	3	< 0.1%

Value	Count	Frequency (%)
544	1	< 0.1%
538	1	< 0.1%
536	1	< 0.1%
534	1	< 0.1%
532	1	< 0.1%
530	1	< 0.1%
524	2	< 0.1%
522	1	< 0.1%
520	1	< 0.1%
518	1	< 0.1%

qrs_onset
Real number (ℝ)

HIGH CORRELATION

Distinct	155
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	202.404

Minimum	70
Maximum	450
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	494.0 KiB

Quantile statistics

Minimum	70
5-th percentile	162
Q1	182
median	198
Q3	216
95-th percentile	266
Maximum	450
Range	380
Interquartile range (IQR)	34

Descriptive statistics

Standard deviation	30.961334
Coefficient of variation (CV)	0.15296799
Kurtosis	2.8405735
Mean	202.404
Median Absolute Deviation (MAD)	18
Skewness	1.2503022
Sum	12796386
Variance	958.60421
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
196	2106	3.3%
194	2091	3.3%
192	1997	3.2%
188	1984	3.1%
190	1984	3.1%
186	1928	3.0%
198	1917	3.0%
200	1901	3.0%
184	1882	3.0%
202	1867	3.0%
Other values (145)	43565	68.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
70	1	< 0.1%
72	2	< 0.1%
80	1	< 0.1%
94	1	< 0.1%
96	1	< 0.1%
98	2	< 0.1%
100	2	< 0.1%
106	2	< 0.1%
110	6	< 0.1%
112	2	< 0.1%

Value	Count	Frequency (%)
450	1	< 0.1%
424	1	< 0.1%
420	1	< 0.1%
410	1	< 0.1%
408	1	< 0.1%
402	1	< 0.1%
398	1	< 0.1%
394	2	< 0.1%
390	2	< 0.1%
384	1	< 0.1%

rr_interval
Real number (ℝ)

HIGH CORRELATION

Distinct	134
Distinct (%)	0.2%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	807.10673

Minimum	295
Maximum	2857
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	494.0 KiB

Quantile statistics

Minimum	295
5-th percentile	594
Q1	697
median	800
Q3	909
95-th percentile	1052
Maximum	2857
Range	2562
Interquartile range (IQR)	212

Descriptive statistics

Standard deviation	152.31511
Coefficient of variation (CV)	0.18871743
Kurtosis	2.7023888
Mean	807.10673
Median Absolute Deviation (MAD)	103
Skewness	0.77770622
Sum	51026902
Variance	23199.892
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
909	1875	3.0%
869	1806	2.9%
800	1806	2.9%
845	1803	2.9%
882	1797	2.8%
833	1782	2.8%
857	1748	2.8%
789	1733	2.7%
821	1727	2.7%
895	1693	2.7%
Other values (124)	45452	71.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
295	1	< 0.1%
322	1	< 0.1%
326	1	< 0.1%
338	1	< 0.1%
365	1	< 0.1%
372	1	< 0.1%
375	1	< 0.1%
379	2	< 0.1%
394	1	< 0.1%
397	1	< 0.1%

Value	Count	Frequency (%)
2857	1	< 0.1%
2222	1	< 0.1%
2142	2	< 0.1%
2068	2	< 0.1%
2000	2	< 0.1%
1935	1	< 0.1%
1875	2	< 0.1%
1818	5	< 0.1%
1764	4	< 0.1%
1714	6	< 0.1%

subject_id
Real number (ℝ)

Distinct	21022
Distinct (%)	33.3%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	15012177

Minimum	10001217
Maximum	19999987
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	494.0 KiB

Quantile statistics

Minimum	10001217
5-th percentile	10507925
Q1	12544332
median	14993494
Q3	17517983
95-th percentile	19500621
Maximum	19999987
Range	9998770
Interquartile range (IQR)	4973651

Descriptive statistics

Standard deviation	2878760.9
Coefficient of variation (CV)	0.19176172
Kurtosis	-1.1967185
Mean	15012177
Median Absolute Deviation (MAD)	2487729
Skewness	0.009403189
Sum	9.4909987 × 10¹¹
Variance	8.2872644 × 10¹²
Monotonicity	Increasing

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
18932584	116	0.2%
13398773	87	0.1%
11888614	69	0.1%
18136887	60	0.1%
16602058	58	0.1%
15145407	51	0.1%
18902344	50	0.1%
13050816	49	0.1%
10965697	48	0.1%
12298456	46	0.1%
Other values (21012)	62588	99.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
10001217	1	< 0.1%
10001884	4	< 0.1%
10002013	10	< 0.1%
10002428	2	< 0.1%
10002930	3	< 0.1%
10003019	6	< 0.1%
10004235	2	< 0.1%
10004422	1	< 0.1%
10004457	8	< 0.1%
10004720	3	< 0.1%

Value	Count	Frequency (%)
19999987	2	< 0.1%
19999840	1	< 0.1%
19999442	4	< 0.1%
19999287	2	< 0.1%
19999068	1	< 0.1%
19998770	3	< 0.1%
19997448	10	< 0.1%
19995790	8	< 0.1%
19995780	2	< 0.1%
19995258	2	< 0.1%

t_axis
Real number (ℝ)

Distinct	361
Distinct (%)	0.6%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	41.946111

Minimum	-180
Maximum	180
Zeros	138
Zeros (%)	0.2%
Negative	4774
Negative (%)	7.6%
Memory size	494.0 KiB

Quantile statistics

Minimum	-180
5-th percentile	-31
Q1	24
median	44
Q3	62
95-th percentile	126
Maximum	180
Range	360
Interquartile range (IQR)	38

Descriptive statistics

Standard deviation	49.52158
Coefficient of variation (CV)	1.1806
Kurtosis	5.3106543
Mean	41.946111
Median Absolute Deviation (MAD)	19
Skewness	-1.1763041
Sum	2651917
Variance	2452.3869
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
45	1236	2.0%
50	1107	1.8%
48	1105	1.7%
38	1043	1.6%
56	1022	1.6%
39	1018	1.6%
37	1007	1.6%
41	999	1.6%
42	986	1.6%
43	984	1.6%
Other values (351)	52715	83.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-180	34	0.1%
-179	28	< 0.1%
-178	33	0.1%
-177	76	0.1%
-176	26	< 0.1%
-175	36	0.1%
-174	25	< 0.1%
-173	33	0.1%
-172	35	0.1%
-171	32	0.1%

Value	Count	Frequency (%)
180	37	0.1%
179	41	0.1%
178	40	0.1%
177	61	0.1%
176	43	0.1%
175	41	0.1%
174	46	0.1%
173	41	0.1%
172	36	0.1%
171	38	0.1%

t_end
Real number (ℝ)

HIGH CORRELATION

Distinct	234
Distinct (%)	0.4%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	594.43754

Minimum	390
Maximum	1024
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	494.0 KiB

Quantile statistics

Minimum	390
5-th percentile	514
Q1	558
median	590
Q3	626
95-th percentile	692
Maximum	1024
Range	634
Interquartile range (IQR)	68

Descriptive statistics

Standard deviation	54.423706
Coefficient of variation (CV)	0.091554962
Kurtosis	1.073274
Mean	594.43754
Median Absolute Deviation (MAD)	34
Skewness	0.58879099
Sum	37581530
Variance	2961.9398
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
578	1082	1.7%
582	1058	1.7%
592	1045	1.7%
596	1036	1.6%
588	1032	1.6%
586	1031	1.6%
590	1016	1.6%
598	1008	1.6%
568	1005	1.6%
580	988	1.6%
Other values (224)	52921	83.7%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
390	2	< 0.1%
400	2	< 0.1%
406	1	< 0.1%
410	1	< 0.1%
416	1	< 0.1%
418	2	< 0.1%
422	2	< 0.1%
426	4	< 0.1%
428	4	< 0.1%
430	5	< 0.1%

Value	Count	Frequency (%)
1024	1	< 0.1%
928	1	< 0.1%
918	1	< 0.1%
908	1	< 0.1%
892	2	< 0.1%
884	1	< 0.1%
882	2	< 0.1%
874	1	< 0.1%
868	2	< 0.1%
866	1	< 0.1%

target_variable
Categorical

Distinct	2
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	494.0 KiB

Normal ECG	34522
Abnormal ECG	28700

Length

Max length	12
Median length	10
Mean length	10.907912
Min length	10

Characters and Unicode

Total characters	689620
Distinct characters	13
Distinct categories	3 ?
Distinct scripts	2 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Normal ECG
2nd row	Abnormal ECG
3rd row	Abnormal ECG
4th row	Abnormal ECG
5th row	Abnormal ECG

Common Values

Value	Count	Frequency (%)
Normal ECG	34522	54.6%
Abnormal ECG	28700	45.4%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
ecg	63222	50.0%
normal	34522	27.3%
abnormal	28700	22.7%

Most occurring characters

Value	Count	Frequency (%)
o	63222	9.2%
r	63222	9.2%
m	63222	9.2%
a	63222	9.2%
l	63222	9.2%
	63222	9.2%
E	63222	9.2%
C	63222	9.2%
G	63222	9.2%
N	34522	5.0%
Other values (3)	86100	12.5%

Most occurring categories

Value	Count	Frequency (%)
Lowercase Letter	373510	54.2%
Uppercase Letter	252888	36.7%
Space Separator	63222	9.2%

Most frequent character per category

Lowercase Letter

Value	Count	Frequency (%)
o	63222	16.9%
r	63222	16.9%
m	63222	16.9%
a	63222	16.9%
l	63222	16.9%
b	28700	7.7%
n	28700	7.7%

Uppercase Letter

Value	Count	Frequency (%)
E	63222	25.0%
C	63222	25.0%
G	63222	25.0%
N	34522	13.7%
A	28700	11.3%

Space Separator

Value	Count	Frequency (%)
	63222	100.0%

Most occurring scripts

Value	Count	Frequency (%)
Latin	626398	90.8%
Common	63222	9.2%

Most frequent character per script

Latin

Value	Count	Frequency (%)
o	63222	10.1%
r	63222	10.1%
m	63222	10.1%
a	63222	10.1%
l	63222	10.1%
E	63222	10.1%
C	63222	10.1%
G	63222	10.1%
N	34522	5.5%
A	28700	4.6%
Other values (2)	57400	9.2%

Common

Value	Count	Frequency (%)
	63222	100.0%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	689620	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
o	63222	9.2%
r	63222	9.2%
m	63222	9.2%
a	63222	9.2%
l	63222	9.2%
	63222	9.2%
E	63222	9.2%
C	63222	9.2%
G	63222	9.2%
N	34522	5.0%
Other values (3)	86100	12.5%

Auto

Heatmap
Table

	anchor_age	bandwidth	filtering	gender	p_axis	p_end	p_onset	qrs_axis	qrs_end	qrs_onset	rr_interval	subject_id	t_axis	t_end	target_variable
anchor_age	1.000	0.014	0.015	0.140	0.026	0.092	-0.013	-0.226	0.258	0.225	0.186	-0.004	0.088	0.284	0.255
bandwidth	0.014	1.000	0.033	0.022	-0.003	-0.047	-0.008	-0.016	-0.046	-0.036	0.001	-0.003	0.009	-0.045	0.073
filtering	0.015	0.033	1.000	0.011	0.001	0.009	0.001	-0.001	-0.004	-0.003	-0.015	0.004	-0.009	-0.016	0.008
gender	0.140	0.022	0.011	1.000	-0.085	0.077	0.001	-0.019	0.157	0.092	0.057	0.012	-0.045	0.020	0.048
p_axis	0.026	-0.003	0.001	-0.085	1.000	-0.006	-0.006	0.260	-0.060	-0.046	-0.142	0.023	0.258	-0.094	0.142
p_end	0.092	-0.047	0.009	0.077	-0.006	1.000	0.002	-0.077	0.426	0.458	0.142	-0.007	-0.014	0.330	0.149
p_onset	-0.013	-0.008	0.001	0.001	-0.006	0.002	1.000	0.002	-0.019	-0.019	-0.011	0.002	0.004	-0.019	0.007
qrs_axis	-0.226	-0.016	-0.001	-0.019	0.260	-0.077	0.002	1.000	-0.160	-0.139	-0.074	0.010	0.084	-0.149	0.189
qrs_end	0.258	-0.046	-0.004	0.157	-0.060	0.426	-0.019	-0.160	1.000	0.872	0.284	-0.004	0.031	0.723	0.416
qrs_onset	0.225	-0.036	-0.003	0.092	-0.046	0.458	-0.019	-0.139	0.872	1.000	0.269	-0.004	0.030	0.695	0.312
rr_interval	0.186	0.001	-0.015	0.057	-0.142	0.142	-0.011	-0.074	0.284	0.269	1.000	-0.009	-0.021	0.690	0.294
subject_id	-0.004	-0.003	0.004	0.012	0.023	-0.007	0.002	0.010	-0.004	-0.004	-0.009	1.000	-0.004	-0.006	0.029
t_axis	0.088	0.009	-0.009	-0.045	0.258	-0.014	0.004	0.084	0.031	0.030	-0.021	-0.004	1.000	0.036	0.488
t_end	0.284	-0.045	-0.016	0.020	-0.094	0.330	-0.019	-0.149	0.723	0.695	0.690	-0.006	0.036	1.000	0.365
target_variable	0.255	0.073	0.008	0.048	0.142	0.149	0.007	0.189	0.416	0.312	0.294	0.029	0.488	0.365	1.000

Count
Matrix

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

First rows
Last rows

	anchor_age	bandwidth	filtering	gender	p_axis	p_end	p_onset	qrs_axis	qrs_end	qrs_onset	rr_interval	subject_id	t_axis	t_end	target_variable
0	55	0.005-150 Hz	60 Hz notch Baseline filter	F	67	156	40	15	298	204	895	10001217	48	622	Normal ECG
1	68	0.005-150 Hz	60 Hz notch Baseline filter	F	48	154	40	-19	328	188	882	10001884	132	626	Abnormal ECG
2	68	0.005-150 Hz	60 Hz notch Baseline filter	F	80	118	40	-18	288	152	697	10001884	119	546	Abnormal ECG
3	68	0.005-150 Hz	60 Hz notch Baseline filter	F	-87	112	40	-22	292	152	882	10001884	126	590	Abnormal ECG
4	68	0.005-150 Hz	60 Hz notch Baseline filter	F	71	144	40	-13	322	180	923	10001884	117	614	Abnormal ECG
5	53	0.005-150 Hz	60 Hz notch Baseline filter	F	33	150	40	16	328	242	857	10002013	115	690	Abnormal ECG
6	53	0.005-150 Hz	60 Hz notch Baseline filter	F	55	158	40	17	318	230	722	10002013	65	634	Normal ECG
7	53	0.005-150 Hz	60 Hz notch Baseline filter	F	57	156	40	40	332	238	750	10002013	82	658	Normal ECG
8	53	0.005-150 Hz	60 Hz notch Baseline filter	F	59	118	40	35	302	216	681	10002013	105	628	Abnormal ECG
9	53	0.005-150 Hz	60 Hz notch Baseline filter	F	72	146	40	31	314	228	566	10002013	-133	558	Abnormal ECG

	anchor_age	bandwidth	filtering	gender	p_axis	p_end	p_onset	qrs_axis	qrs_end	qrs_onset	rr_interval	subject_id	t_axis	t_end	target_variable
63212	63	0.005-150 Hz	60 Hz notch Baseline filter	M	30	142	40	1	254	174	789	19999068	34	580	Normal ECG
63213	71	0.005-150 Hz	60 Hz notch Baseline filter	F	47	156	40	61	344	262	750	19999287	52	630	Abnormal ECG
63214	71	0.005-150 Hz	60 Hz notch Baseline filter	F	37	154	40	50	342	272	674	19999287	81	604	Abnormal ECG
63215	41	0.005-150 Hz	60 Hz notch Baseline filter	M	67	160	40	52	294	212	895	19999442	50	584	Normal ECG
63216	41	0.005-150 Hz	60 Hz notch Baseline filter	M	76	168	40	32	286	200	731	19999442	-44	582	Abnormal ECG
63217	41	0.005-150 Hz	60 Hz notch Baseline filter	M	70	176	40	56	312	218	909	19999442	36	618	Normal ECG
63218	41	0.005-150 Hz	60 Hz notch Baseline filter	M	76	166	40	61	296	212	845	19999442	57	594	Normal ECG
63219	58	0.05-150 Hz	60 Hz notch Baseline filter	M	49	140	40	-29	288	194	645	19999840	51	502	Normal ECG
63220	57	0.005-150 Hz	60 Hz notch Baseline filter	F	59	156	40	54	282	202	631	19999987	56	570	Normal ECG
63221	57	0.005-150 Hz	60 Hz notch Baseline filter	F	55	156	40	56	284	206	689	19999987	52	594	Abnormal ECG

Overview

Variables

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Decimal Number

Other Punctuation

Dash Punctuation

Space Separator

Uppercase Letter

Lowercase Letter

Most occurring scripts

Most frequent character per script

Common

Latin

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Lowercase Letter

Decimal Number

Uppercase Letter

Space Separator

Most occurring scripts

Most frequent character per script

Latin

Common

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Uppercase Letter

Most occurring scripts

Most frequent character per script

Latin

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Lowercase Letter

Uppercase Letter

Space Separator

Most occurring scripts

Most frequent character per script

Latin

Common

Most occurring blocks

Most frequent character per block

ASCII

Interactions

Correlations

Missing values

Sample